CN208445922U - A kind of heat dissipation of sealing air flue formula power amplifier and power supply unit - Google Patents
A kind of heat dissipation of sealing air flue formula power amplifier and power supply unit Download PDFInfo
- Publication number
- CN208445922U CN208445922U CN201821194982.2U CN201821194982U CN208445922U CN 208445922 U CN208445922 U CN 208445922U CN 201821194982 U CN201821194982 U CN 201821194982U CN 208445922 U CN208445922 U CN 208445922U
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- heat dissipation
- radiator
- heat sink
- sink assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of heat dissipation of sealing air flue formula power amplifier and power supply units, it applies in power amplifier product, including the heat sink assembly in power amplifier box and power amplifier box, the inner cavity of heat sink assembly forms heat dissipation wind channel, heat dissipation wind channel both ends are separately installed with fan, insulating paper is installed between the power amplifier box and heat sink assembly, pcb board is fixed on the side wall of heat sink assembly, heat sink assembly includes the upper radiator and lower radiator of symmetric design, plastic cement bridge cut-off is installed between upper radiator and lower radiator, upper radiator passes through several third lock screws with the top of lower radiator and is fixedly connected with fever triode arranged side by side, third lock screw is conductive screw, upper radiator and lower radiator pass through the power positive cathode of conductive screw electrical connection power amplifier product respectively.The present apparatus can effectively improve the radiating efficiency of power discharging radiator, extend power amplifier product service life, while powering directly to fever triode using radiator, optimize power supply structure.
Description
Technical field
The utility model relates to heat sink technology fields, radiate more particularly to a kind of sealing air flue formula power amplifier and for Denso
It sets.
Background technique
In the prior art, with commercial production levels make rapid progress development and people life needs it is continuous rich
Richness, audio-visual show business flourish, and power amplifier product is essential important electronic equipment in audio-visual show business, with processing
The continuous development of the supporting industries concerned such as device, player, power amplifier industry have also welcome new development opportunity.
Currently, requirement of the market for power amplifier performance further increases, the especially requirement to power amplifier power is increasing.
The increase of power amplifier power, which will lead to, increases significantly power amplifier internal heat, and power amplifier cannot be such as discharged in these heats in time, then can be in short-term
It is interior to sharply increase power amplifier interior environment temperature, it will cause power amplifier in this way and stop working, or even will cause power amplifier electronic component
The more serious consequence such as burn.The radiator structure of power amplifier is relatively easy currently on the market, and radiating efficiency is low, lacks innovation；
Due to being limited by power amplifier inner space size, power amplifier can only be improved by the more reasonable radiator structure of optimization design and is dissipated
The thermal efficiency.
The operating current of power amplifier is very big, and the influence that amplifier power supply exports signal is equally very big.Power amplifier currently on the market
It is to be powered by copper foil to triode mostly, because being limited by copper foil width, the loss of voltage is more on copper foil, leads to different three poles
Pipe receives voltage difference, seriously affects power amplifier quality and service life.
Radiator structure is unreasonable and power supply structure backwardness is the principal element for causing power amplifier product whole service life of short duration,
It causes to return goods to manufacturer, reprocess, scrap even more serious economic loss.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of sealing air flue formula power amplifier heat dissipation is provided and is supplied
Electric installation, the device can be improved the radiating efficiency of power discharging radiator, while optimize innovation radiator structure, improve fever triode
Power supply structure reduces influence of the power supply to power amplifier, increases power amplifier product service life.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of heat dissipation of sealing air flue formula power amplifier and
Power supply unit is applied in power amplifier product, including the heat sink assembly in power amplifier box and power amplifier box, heat sink assembly it is interior
Chamber forms heat dissipation wind channel, and heat dissipation wind channel both ends are separately installed with fan, install between the power amplifier box and heat sink assembly
Have insulating paper, fix pcb board on the side wall of heat sink assembly, heat sink assembly include symmetric design upper radiator and lower heat dissipation
Device, installs plastic cement bridge cut-off between upper radiator and lower radiator, the top of upper radiator and lower radiator pass through several the
Three lock screws are fixedly connected with fever triode arranged side by side, and third lock screw is conductive screw.
Further, upper radiator and lower radiator pass through conductive screw electrical connection power amplifier product respectively as described above
Power positive cathode.
Further, fan as described above includes forward fan and postposition fan, and forward fan is seamless by radome fairing
Connect the inner cavity of heat sink assembly.
Further, postposition fan as described above is mounted on cabinet side board, and postposition fan center and radiator group
The lumen centers of part are overlapped.
Further, the interval 30mm is equipped between postposition fan as described above and the end face of heat sink assembly.
Further, it is connected between forward fan and radome fairing as described above by the first lock screw, postposition fan
It is connect by the second lock screw with cabinet side board.
Further, pcb board as described above passes through the side wall of the 4th lock screw and copper post with tooth and heat sink assembly
Connection.
Further, the fin of upper radiator and lower radiator is processed as corrugated shape as described above.
Further, insulating paper as described above is highland barley insulating paper interlayer.
Further, heat sink assembly bottom as described above is embedded with plastic cement fixed block, is built-in with band in plastic cement fixed block
Screw thread copper sheathing, chassis backplane are connect by the 5th lock screw with plastic cement fixed block.
Compared with prior art, the utility model has the beneficial effects that the present apparatus can effectively improve dissipating for power discharging radiator
The thermal efficiency is extended power amplifier product service life, while being powered using radiator directly to fever triode, and power supply knot is optimized
Structure.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
Fig. 3 is the heat sink assembly structure chart of the utility model；
Fig. 4 is the fan structure figure of the utility model；
Fig. 5 is the dome structure figure of the utility model.
The label in accompanying drawing is: 1. heat sink assemblies；2. radome fairing；3. forward fan；4. chassis backplane；5. the first locking
Screw；6. cabinet side board；7. postposition fan；8. the second lock screw；9. generate heat triode；10. third lock screw；11.PCB
Plate；12. insulating paper；13. the 4th lock screw；Radiator on 14.；15. plastic cement bridge cut-off；16. lower radiator；17. the first screw
Hole；18. the second screw hole；19. third screw hole；20. housing；21. through-hole；22. the 4th screw hole；23. plastic cement fixed block；
24. the 5th lock screw；25. power amplifier box.
Specific embodiment
Be described in detail below with reference to embodiment referring to attached drawing, so as to the technical characteristics of the utility model and advantage into
Row deeper into annotation.
As shown in Figs. 1-5, a kind of heat dissipation of sealing air flue formula power amplifier and power supply unit of the utility model,
It applies in power amplifier product, including the heat sink assembly 1 in power amplifier box 25 and power amplifier box 25, heat sink assembly
1 inner cavity forms heat dissipation wind channel, and heat dissipation wind channel both ends are separately installed with fan, the power amplifier box 25 and heat sink assembly 1
Between insulating paper 12 is installed, guarantee to insulate between heat sink assembly 1 and power amplifier box 25, it is solid on the side wall of heat sink assembly 1
Determine the abbreviation of pcb board 11(printed circuit board), heat sink assembly 1 includes the upper radiator 14 and lower radiator 16 of symmetric design,
Plastic cement bridge cut-off 15 is installed between upper radiator 14 and lower radiator 16 and realizes seamless connection, forms a radiation air being fully sealed
Road, it is ensured that the insulation between upper radiator 14 and lower radiator 16, if the top of upper radiator 14 and lower radiator 16 passes through
Dry third lock screw 10 is fixedly connected with fever triode 9 arranged side by side, and third lock screw 10 is conductive screw.
Further, the upper radiator 14 and lower radiator 16 are electrically connected power amplifier product by conductive screw respectively
Power positive cathode is powered by amplifier power supply directly to multiple fever triodes 9 in parallel.Because of the surface area of heat sink assembly 1
Sufficiently large, the conducting resistance of heat sink assembly 1 is close to zero, so while the position that fever triode 9 connects power supply is different, but
It is in the high-power output of power amplifier, each fever triode 9 still can obtain identical supply voltage from power supply, reduce power supply
Interference to signal output.And the power supply of traditional power amplifier is only powered from circuit board to multiple triodes in parallel, because of circuit
The area of plate limits, the limited width for copper foil of powering, and copper foil has certain impedance, defeated in the high-power output of power amplifier
Electric current is big out, and the loss of voltage is just had on copper foil, and the voltage for causing each triode to obtain from power supply is different, the function of multitube parallel
Putting triode output voltage will be different, so that power amplifier output signal be caused to be distorted.
Further, the fan includes forward fan 3 and postposition fan 7, and forward fan 3 is seamless by radome fairing 2
Transition connects the inner cavity of heat sink assembly 1, the housing 20 on radome fairing 2 be it is streamlined, the postposition fan 7 is mounted on cabinet
On side plate 6, and 7 center of postposition fan is overlapped with the lumen centers of heat sink assembly 1, the postposition fan 7 and radiator group
The interval 30mm is equipped between the end face of part 1, the cold wind that fan is blown out is all by spreader surface and heat dissipation wind channel, energy
Hot wind is discharged peak efficiency.When forward fan 3 works, the cold wind of blowout all passes through radome fairing 2 and heat sink assembly 1
Heat dissipation wind channel loses without wind energy, realizes the purpose for reducing radiator temperature to greatest extent；Postposition fan 7 is fixed on cabinet side
Plate 6,7 center of postposition fan are aligned with 1 end face center of heat sink assembly, and between 1 end face of postposition fan 7 and heat sink assembly
There is the interval 30mm, which can choose according to the actual situation, so that postposition fan 7 can blow out forward fan 3
While power amplifier box 25 are discharged in hot wind, power amplifier is also discharged in the heat that 1 outer surface of heat sink assembly can also be distributed together
Case 25.
Further, the fin of the upper radiator 14 and lower radiator 16 is processed as corrugated shape, heat dissipation area
Bigger more balanced, radiating rate is faster.
Further, the insulating paper 12 is highland barley insulating paper interlayer so that heat sink assembly 1 and power amplifier box 25 it
Between be insulation, therefore can directly by heat sink assembly 1 and fever triode 9 install when fit together, centre without times
What insulating materials thus greatly improves fever 9 thermal energy of triode to heat sink assembly 1 and transmits delivery efficiency.And current city
Be mounted on the insulating heat-conduction materials such as mica sheet between radiator 14 and fever triode 9 on field, the heat of triode cannot and
When pass to radiator, heat conduction efficiency is lower.
Further, 1 bottom of heat sink assembly is embedded with plastic cement fixed block 23, is built-in with band in plastic cement fixed block 23
Screw thread copper sheathing, chassis backplane 4 are connect by the 5th lock screw 24 with plastic cement fixed block 23.Therefore, 1 He of heat sink assembly is connected
It is insulation, while heat sink assembly 1 and chassis backplane between the 5th lock screw 24 and heat sink assembly 1 of power amplifier box 25
One layer of highland barley insulating paper 12 is housed, so heat sink assembly 1 and entire power amplifier box 25 are also insulation between 4.
In utility model device, heat sink assembly 1 is the entirety of a seamless connection, and radome fairing 2 is a kind of using work
The workpiece of engineering plastics injection molding, it is seamless connection between heat sink assembly 1 and forward fan 3, between each other
It is locked using fastening screw.
The present apparatus is powered using heat sink assembly 1 to triode, is different from traditional power amplifier power supply structure, is seen Fig. 2, upper heat dissipation
Device 14 and lower radiator 16 are respectively communicated with the anode and cathode of amplifier power supply, and power amplifier box 25 is grounded, when power amplifier product works, hair
The thermal energy that hot triode 9 generates is directly delivered to radiator 14 and lower radiator 16；Radiator heat a part passes through appearance
Surface radiation is gone out, and another part is dispersed into heat dissipation wind channel, forward fan 3 and postposition by inner surface and multiple cooling fin surfaces
When fan 7 works, the heat inside heat dissipation wind channel is discharged outside power amplifier box 25 along the heat dissipation wind channel of sealing.Forward fan
3 and radome fairing 2 on the 4th screw hole 22 between by the first lock screw 5 connect, postposition fan 7 pass through the second lock screw
8 connect with cabinet side board 6, and pcb board 11 is connect by the 4th lock screw 13 with the side wall of copper post with tooth and heat sink assembly 1.
Radome fairing 2 is locked by through-hole 21 and the first screw hole 17 with the first lock screw 5, and there is the second screw in 1 side of heat sink assembly
Hole 18, for installing fever triode 9 and being locked using third lock screw 10, there is third screw hole in 1 side of heat sink assembly
19, copper post with tooth is first installed, the other end of copper post with tooth is locked by the installation hole location on pcb board 11 with the 4th lock screw 13
Tightly.
In utility model device, fan, triode, pcb board 11, lock screw etc. are the prior art or material, institute
The technical staff of category can directly buy from market or tailor-made according to required product type and specification.
Clear, complete description is carried out to the utility model by the technical solution in above embodiments, it is clear that described
Embodiment be the utility model a part embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Claims (10)
1. a kind of sealing air flue formula power amplifier heat dissipation and power supply unit, are applied in power amplifier product, which is characterized in that including power amplifier
The inner cavity of heat sink assembly (1) in case (25) and power amplifier box (25), heat sink assembly (1) forms heat dissipation wind channel, radiation air
Road both ends are separately installed with fan, and insulating paper (12) are equipped between the power amplifier box (25) and heat sink assembly (1), dissipate
Fixed pcb board (11) on the side wall of hot device assembly (1), heat sink assembly (1) include symmetric design upper radiator (14) and under
Radiator (16) installs plastic cement bridge cut-off (15) between upper radiator (14) and lower radiator (16), upper radiator (14) and lower scattered
The top of hot device (16) passes through several third lock screws (10) and is fixedly connected with fever triode (9) arranged side by side, the
Three lock screws (10) are conductive screw.
2. sealing air flue formula power amplifier heat dissipation according to claim 1 and power supply unit, which is characterized in that the upper heat dissipation
Device (14) and lower radiator (16) are electrically connected the power positive cathode of power amplifier product by conductive screw respectively.
3. sealing air flue formula power amplifier heat dissipation according to claim 2 and power supply unit, which is characterized in that the fan packet
Forward fan (3) and postposition fan (7) are included, forward fan (3) is interior by radome fairing (2) seamless connection heat sink assembly (1)
Chamber.
4. sealing air flue formula power amplifier heat dissipation according to claim 3 and power supply unit, which is characterized in that the postposition wind
Fan (7) is mounted on cabinet side board (6), and postposition fan (7) center is overlapped with the lumen centers of heat sink assembly (1).
5. sealing air flue formula power amplifier heat dissipation according to claim 4 and power supply unit, which is characterized in that the postposition wind
It fans and is equipped with the interval 30mm between (7) and the end face of heat sink assembly (1).
6. sealing air flue formula power amplifier heat dissipation according to claim 5 and power supply unit, which is characterized in that the preposition wind
Connect between fan (3) and radome fairing (2) by the first lock screw (5), postposition fan (7) pass through the second lock screw (8) and
Cabinet side board (6) connection.
7. sealing air flue formula power amplifier heat dissipation according to claim 2 and power supply unit, which is characterized in that the pcb board
(11) it is connect by the 4th lock screw (13) with the side wall of copper post with tooth and heat sink assembly (1).
8. sealing air flue formula power amplifier heat dissipation according to claim 2 and power supply unit, which is characterized in that the upper heat dissipation
The fin of device (14) and lower radiator (16) is processed as corrugated shape.
9. sealing air flue formula power amplifier heat dissipation according to claim 2 and power supply unit, which is characterized in that the insulating paper
It (12) is highland barley insulating paper interlayer.
10. sealing air flue formula power amplifier heat dissipation according to claim 2 and power supply unit, which is characterized in that the heat dissipation
Device assembly (1) bottom is embedded with plastic cement fixed block (23), is built-in with threaded copper sheathing, chassis backplane (4) in plastic cement fixed block (23)
It is connect by the 5th lock screw (24) with plastic cement fixed block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194982.2U CN208445922U (en) | 2018-07-26 | 2018-07-26 | A kind of heat dissipation of sealing air flue formula power amplifier and power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821194982.2U CN208445922U (en) | 2018-07-26 | 2018-07-26 | A kind of heat dissipation of sealing air flue formula power amplifier and power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208445922U true CN208445922U (en) | 2019-01-29 |
Family
ID=65085917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821194982.2U Active CN208445922U (en) | 2018-07-26 | 2018-07-26 | A kind of heat dissipation of sealing air flue formula power amplifier and power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208445922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI711368B (en) * | 2019-12-27 | 2020-11-21 | 康舒科技股份有限公司 | Power supply device with isolated heat dissipation channel |
-
2018
- 2018-07-26 CN CN201821194982.2U patent/CN208445922U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI711368B (en) * | 2019-12-27 | 2020-11-21 | 康舒科技股份有限公司 | Power supply device with isolated heat dissipation channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203086450U (en) | High-power transmitter module combination device | |
| CN202840556U (en) | Electrombile charger having heat radiation structure | |
| WO2023035861A1 (en) | Server | |
| CN102352975B (en) | Dustproof, waterproof and multipurpose LED (light emitting diode) light power source assembly | |
| CN208445922U (en) | A kind of heat dissipation of sealing air flue formula power amplifier and power supply unit | |
| CN207639062U (en) | A kind of industrial microwave variable-frequency power sources power component mounting structure | |
| CN201265843Y (en) | LED lamp cup and LED lamp using the same | |
| CN219437215U (en) | Intelligent heat dissipation multilayer circuit board | |
| CN202276585U (en) | Plastic waterproof electric appliance box with aluminum radiating fins | |
| CN202634185U (en) | Plastic package motor | |
| CN215578213U (en) | Capacitor case with high heat dissipation effect | |
| CN203151933U (en) | Heat dissipation structure for electronic devices in airtight shell | |
| CN101270868A (en) | High power LED lamp | |
| CN211045423U (en) | Diode with good heat dissipation effect | |
| CN207919108U (en) | Integral direct-drive cup seaming machine is automatically controlled | |
| CA2843751A1 (en) | Insulated gate bipolar transistor heat dissipation structure of motor controller | |
| CN208380886U (en) | A kind of shielding frequency variable circulating pump sufficiently to radiate | |
| CN208353787U (en) | A kind of power amplifier heat dissipating device | |
| CN207587932U (en) | Battery radiator structure and the battery pack with air-cooled radiating device | |
| CN201992605U (en) | Heat sink for high-power LED (light-emitting diode) lamps | |
| CN206522807U (en) | A kind of Combined electromagnetic furnace radiator | |
| CN207796601U (en) | A kind of high-powered LED lamp of optimization insulation performance | |
| CN205026458U (en) | Easy radiating LED module | |
| CN214507754U (en) | High-heat-conductivity single-phase rectifier bridge | |
| CN217825745U (en) | Electrical assembly with heat dissipation component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |